CN113345090B - Method, device and storage medium for generating building facade in 3D model - Google Patents
Method, device and storage medium for generating building facade in 3D model Download PDFInfo
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Abstract
The invention relates to a method for generating a building facade in a 3D model, which comprises the steps of obtaining a building initial model and obtaining a first building volume object in the building initial model; editing the first building volume object based on the initial building model and the target building model to obtain a second building volume object; and according to the second building volume object and the target building model, obtaining the wall size and material of the building, and editing the second building volume object according to the wall size and material of the building to obtain the target building model. The invention has small volume, simple installation, specific construction aiming at the modeling of the outer facade, low learning cost, easy construction and improved construction efficiency. The invention also relates to a device and a storage device for generating the building facade in the 3D model.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method, a device and a storage medium for generating a building facade in a 3D model.
Background
The existing mainstream modeling software comprises 3DMax, maya, blender and the like, and has the disadvantages that the mainstream modeling software is large in size and difficult to install; secondly, the specific construction of the modeling of the external vertical surface is not carried out; the third disadvantage is that the operation is complex, the learning cost is high, the entrance is difficult, and a certain knowledge skill is required.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides a method, a device and a storage medium for generating a building facade in a 3D model.
The technical scheme for solving the technical problems is as follows:
a method of generating a building facade in a 3D model, the method comprising:
obtaining a building initial model, and obtaining a first building volume object in the building initial model;
editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object;
and according to the second building volume object and the target building model, obtaining the wall size and the material of the building, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the editing the first building volume object based on the initial building model and the target building model to obtain a second building volume object specifically includes:
acquiring a first set of keypoints for the first building volume object;
acquiring a second set of keypoints for the second building volume object;
adding keypoints of the second set of keypoints in the first building volume object;
deleting keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object;
according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors;
adjusting a property value of the second architectural volume object.
Further, the obtaining, according to the second building volume object and the target building model, the wall size and the material of the building, and editing, according to the wall size and the material of the building, the second building volume object to obtain the target building model specifically includes:
updating the facade of the second building volume object according to the facade of the target building model;
updating the attribute information of the vertical face of the second building volume object according to the attribute information of the vertical face of the target building model;
and updating the attribute information of the wall unit of the second building volume object according to the attribute information of the wall unit of the facade of the target building model.
Further, the updating the facade of the second building volume object according to the facade of the target building model specifically includes:
selecting a target wall section of the second building volume object, and enabling the target wall section to enter a vertical surface to-be-updated state;
and updating the target wall section into the outer vertical face of the target building model according to the outer vertical face of the target building model.
Further, the updating the attribute information of the facade of the second building volume object according to the attribute information of the facade of the target building model specifically includes:
selecting a target wall section of the second building volume object, and enabling the target wall section to enter a vertical surface to-be-updated state;
and updating the data state of the target wall according to the attribute information of the facade of the target building model, so as to update the facade attribute information of the second building volume object.
Further, the updating the attribute information of the wall unit of the second building volume object according to the attribute information of the wall unit of the facade of the target building model specifically includes:
selecting a target wall unit of the second building volume object, and enabling the target wall unit to enter a facade to-be-updated state;
updating the material information of the target wall unit according to the material information of the wall unit of the target building model;
and updating the attribute information of the target wall unit according to the attribute information of the wall unit of the target building model.
The method has the beneficial effects that: the method for generating the building facade in the 3D model comprises the steps of obtaining a building initial model and obtaining a first building volume object in the building initial model; editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object; and according to the second building volume object and the target building model, obtaining the wall size and the material of the building, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model. The building method is small in size, simple to install, low in learning cost and easy to build, and building efficiency is improved by specifically building the outer vertical face modeling in a targeted manner.
The invention also solves another technical scheme of the technical problem as follows:
an apparatus for generating a building facade in a 3D model, the apparatus comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a building initial model and acquiring a first building volume object in the building initial model;
the initial module is used for editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object;
and the editing module is used for obtaining the wall size and the material of the building according to the second building volume object and the target building model, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model.
The initial module is specifically configured to obtain a first keypoint set of the first building volume object;
obtaining a second set of keypoints for the second building volume object;
adding keypoints of the second set of keypoints in the first building volume object;
deleting keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object;
according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors;
adjusting a property value of the second building volume object.
Furthermore, the invention provides a computer arrangement comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing a method of generating a building facade in a 3D model according to any one of the preceding claims when executing the computer program.
The invention also provides a computer-readable storage medium, in which a computer program is stored, which computer program, when being executed by a processor, carries out a method of generating a facade in a 3D model according to any one of the preceding claims.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for generating a building facade in a 3D model according to an embodiment of the present invention;
fig. 2 is a block diagram of an apparatus for generating a building facade in a 3D model according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
Fig. 1 illustrates a method for generating a building facade in a 3D model according to an embodiment of the present invention, which specifically includes the following steps:
110. the method comprises the steps of obtaining a building initial model and obtaining a first building volume object in the building initial model.
120. And editing the first building volume object based on the initial building model and the target building model to obtain a second building volume object.
130. And according to the second building volume object and the target building model, obtaining the wall size and the material of the building, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model.
Based on the foregoing embodiment, further, step 120 specifically includes:
a first set of keypoints for the first architectural volume object is obtained.
A second set of keypoints for the second building volume object is obtained.
Adding keypoints of the second set of keypoints in the first building volume object.
Removing keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object.
And according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors.
Adjusting a property value of the second architectural volume object.
Further, step 130 specifically includes:
131. updating the facade of the second building volume object according to the facade of the target building model.
132. And updating the attribute information of the vertical face of the second building volume object according to the attribute information of the vertical face of the target building model.
133. And updating the attribute information of the wall unit of the second building volume object according to the attribute information of the wall unit of the facade of the target building model.
Further, step 131 specifically includes:
and selecting a target wall segment of the second building volume object, and enabling the target wall segment to enter a vertical surface to-be-updated state.
And updating the target wall segment into the outer facade of the target building model according to the outer facade of the target building model.
Further, step 132 specifically includes:
and selecting a target wall segment of the second building volume object, and enabling the target wall segment to enter a vertical surface to-be-updated state.
And updating the data state of the target wall according to the attribute information of the facade of the target building model, so as to update the facade attribute information of the second building volume object.
Further, step 133 specifically includes:
and selecting a target wall unit of the second building volume object, and enabling the target wall unit to enter a facade to-be-updated state.
And updating the material information of the target wall unit according to the material information of the wall unit of the target building model.
And updating the attribute information of the target wall unit according to the attribute information of the wall unit of the target building model.
It should be understood that the above embodiments are designed for the outer facade, such as a dome, a terrace, an atrium, a grid, a line foot, a cornice, a wall column and the like, which can be conveniently and quickly built and formed, and has small volume and simple installation.
It should be understood that, based on the above embodiments, the method can be developed and manufactured by using a mature engine unit in combination with a node, and has the characteristics of stability, easy expansion, small size, easy installation, simple operation and high modeling speed.
It should be understood that, for example, a window is opened, a default building is in the center of the window, the building has a building volume object, the building volume object is composed of a plurality of floors, and the floors belonging to the same volume share wall sections and vertical faces. The floor is formed by four straight walls with equal length, and the wall section consists of key points and a vertical surface; and setting the building vertical face of each section of wall body as a default vertical face. Firstly, editing a building volume object, enabling the building volume object to be in a selected state, and determining key points, wherein the key points are divided into conventional points and curved surface points, if the two conventional points do not contain curved surface points, a section of straight wall is established, otherwise, a section of curved surface wall is established, and the key points are in a selected state; when a key point is in a selected state, editing a wall section associated with the key point, wherein a vertical face can be bound on the wall section, the vertical face comprises a plurality of wall units, structures such as doors, windows, windowsills and window beams, and materials can be bound for each structure, the materials comprise related properties such as pictures and colors, whether a rendering mode is luminous or not, and the properties such as a waist line, an alignment mode and a tiling mode can be set.
And selecting a building volume object, enabling the selected volume object to enter a state of a curve point to be added, when the volume object is in the state of the curve point to be added, enabling the central points of all the straight wall sections of the volume object to appear yellow curve points to be added, adding the curve points to be added to the target wall section, and completing the addition of key points to the target wall section.
And deleting the key points, and determining and deleting the key points to be deleted of the selected volume object.
It will be appreciated that all floors of a building volume object share facades and shapes, and that splitting volumes can be achieved when this situation does not meet the requirements, or it is desirable to set the shape/facade of a floor separately.
Editing the building facade:
selecting a target wall section of the building volume object, and enabling the wall section to enter a vertical surface to-be-updated state;
when the data state in the facade attribute tab and the facade object attribute tab is changed, the facade of the target wall segment is updated.
When the facade attribute tab-facade object attribute tab internal wall unit is selected, the material preview interface is switched to the wall unit tab.
When the editing button of the inner wall body unit of the vertical surface attribute tab-vertical surface object attribute tab is clicked; the sub-tabs of the facade attribute tab are switched to the wall unit object attribute tab;
the building facade is stored, and the stored building facade file in the fcb format can be used for secondary opening;
and exporting the building facade, selecting the obj-format building model package which can be seen under the target folder, and uploading the exported file to Campous builder for use.
The method for generating the building facade in the 3D model based on the embodiment comprises the steps of obtaining a building initial model and obtaining a first building volume object in the building initial model; editing the first building volume object based on the initial building model and the target building model to obtain a second building volume object; and according to the second building volume object and the target building model, obtaining the wall size and the material of the building, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model. The building method is small in size, simple to install, low in learning cost and easy to build, and building efficiency is improved by specifically building the outer vertical face modeling in a targeted manner.
As shown in fig. 2, an apparatus for generating a building facade in a 3D model includes:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a building initial model and acquiring a first building volume object in the building initial model;
the initial module is used for editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object;
and the editing module is used for obtaining the wall size and the material of the building according to the second building volume object and the target building model, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model.
The initial module is specifically configured to obtain a first keypoint set of the first building volume object;
acquiring a second set of keypoints for the second building volume object;
adding keypoints in the second set of keypoints in the first building volume object;
deleting keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object;
according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors;
adjusting a property value of the second building volume object.
Furthermore, the invention provides a computer arrangement comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing a method of generating a building facade in a 3D model according to any one of the preceding claims when executing the computer program.
The invention also provides a computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, implements a method for generating a building facade in a 3D model according to any one of the preceding claims. In the above embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described or recited in any embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one type of logical function division, and other division manners may be available in actual implementation, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium.
Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain suitable additions or subtractions depending on the requirements of legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media may not include electrical carrier signals or telecommunication signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A method of generating a building facade in a 3D model, the method comprising:
acquiring a building initial model, and acquiring a first building volume object in the building initial model;
editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object;
obtaining the wall size and material of the building according to the second building volume object and the target building model, and editing the second building volume object according to the wall size and material of the building to obtain the target building model;
the method comprises the following steps of obtaining the wall size and the material of the building according to the second building volume object and the target building model, editing the second building volume object according to the wall size and the material of the building, and obtaining the target building model, wherein the method specifically comprises the following steps:
updating the facade of the second building volume object according to the facade of the target building model;
updating the attribute information of the vertical face of the second building volume object according to the attribute information of the vertical face of the target building model;
updating the attribute information of the wall unit of the second building volume object according to the attribute information of the wall unit of the facade of the target building model;
wherein the updating of the attribute information of the wall unit of the second building volume object according to the attribute information of the wall unit of the facade of the target building model specifically comprises:
selecting a target wall unit of the second building volume object, and enabling the target wall unit to enter a facade to-be-updated state;
updating the material information of the target wall unit according to the material information of the wall unit of the target building model;
updating the attribute information of the target wall unit according to the attribute information of the wall unit of the target building model;
the building comprises a building volume object, wherein the building volume object comprises a plurality of floors, and the floors belonging to the same volume share a wall section and a vertical face, the floors are formed by enclosing four straight walls with equal length, and the wall section consists of key points and the vertical face; setting the building vertical face of each section of wall body as a default vertical face; when the building volume object is edited and is in a selected state, determining key points, wherein the key points are divided into conventional points and curved surface points, and when the two conventional points do not contain curved surface points, a section of straight wall is established, otherwise, a section of curved surface wall is established, and the key points are in the selected state; when a key point is in a selected state, editing a wall section associated with the key point, and binding a facade on the wall section, wherein the facade comprises a plurality of wall units, the wall units comprise door, window, windowsill and window beam structures, and materials are bound to each structure, and the materials comprise the attributes of whether a chartlet, a color and a rendering mode are luminous or not;
and when the volume object is in the state of the curve point to be added, yellow curve points to be added appear at the central points of all the straight wall sections of the volume object, and the curve points to be added are added to the target wall section, so that the addition of the key points to the target wall section is completed.
2. The method for generating a building facade in a 3D model according to claim 1, wherein the editing the first building volume object based on the initial building model and the target building model to obtain a second building volume object comprises:
acquiring a first set of keypoints for the first building volume object;
obtaining a second set of keypoints for the second building volume object;
adding keypoints in the second set of keypoints in the first building volume object;
deleting keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object;
according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors;
adjusting a property value of the second architectural volume object.
3. Method for generating building facades in a 3D model according to claim 1, wherein the updating facades of the second building volume object in accordance with facades of the target building model comprises:
selecting a target wall section of the second building volume object, and enabling the target wall section to enter a vertical surface to-be-updated state;
and updating the target wall segment into the outer facade of the target building model according to the outer facade of the target building model.
4. The method for generating a building facade in a 3D model according to claim 1, wherein the updating of the facade attribute information of the second building volume object according to the attribute information of the facade of the target building model comprises:
selecting a target wall section of the second building volume object, and enabling the target wall section to enter a vertical surface to-be-updated state;
and updating the data state of the target wall segment according to the attribute information of the facade of the target building model, so as to update the facade attribute information of the second building volume object.
5. An apparatus for generating a building facade in a 3D model, the apparatus comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring a building initial model and acquiring a first building volume object in the building initial model;
the initial module is used for editing the first building volume object based on the building initial model and the target building model to obtain a second building volume object;
the editing module is used for obtaining the wall size and the material of the building according to the second building volume object and the target building model, and editing the second building volume object according to the wall size and the material of the building to obtain the target building model;
the editing module is specifically configured to:
updating the facade of the second building volume object according to the facade of the target building model;
updating the attribute information of the vertical face of the second building volume object according to the attribute information of the vertical face of the target building model;
updating the attribute information of the wall units of the second building volume object according to the attribute information of the wall units of the facade of the target building model;
wherein the updating of the attribute information of the wall element of the second building volume object according to the attribute information of the wall element of the facade of the target building model is specifically configured to:
selecting a target wall unit of the second building volume object, and enabling the target wall unit to enter a facade to-be-updated state;
updating the material information of the target wall unit according to the material information of the wall unit of the target building model;
updating the attribute information of the target wall unit according to the attribute information of the wall unit of the target building model;
the building comprises a building volume object, the building volume object comprises a plurality of floors, and the floors belonging to the same volume share wall sections and vertical faces, wherein the floors are formed by enclosing four straight walls with equal length, and the wall sections consist of key points and vertical faces; setting the building vertical face of each section of wall body as a default vertical face; when the building volume object is edited and is in a selected state, determining key points, wherein the key points are divided into conventional points and curved surface points, and when the two conventional points do not contain curved surface points, a section of straight wall is established, otherwise, a section of curved surface wall is established, and the key points are in the selected state; when a key point is in a selected state, editing a wall section associated with the key point, and binding a facade on the wall section, wherein the facade comprises a plurality of wall units, each wall unit comprises a door, a window, a windowsill and a window beam structure, and materials are bound to each structure, and the materials comprise attributes of whether a map, a color and a rendering mode are luminous or not;
and when the volume object is in the state of the curve point to be added, yellow curve points to be added appear at the central points of all the straight wall sections of the volume object, and the curve points to be added are added to the target wall section, so that the addition of the key points to the target wall section is completed.
6. Arrangement for generating a building facade in a 3D model according to claim 5,
the initial module is specifically configured to obtain a first keypoint set of the first building volume object;
obtaining a second set of keypoints for the second building volume object;
adding keypoints of the second set of keypoints in the first building volume object;
deleting keypoints in the first set of keypoints that do not coincide with the second set of keypoints in the first building volume object;
according to the number of floors in the target building model, splitting the first building volume object into a second building volume object of the number of floors;
adjusting a property value of the second architectural volume object.
7. A computer arrangement comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, implements a method of generating a building facade in a 3D model according to any one of claims 1 to 4.
8. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out a method of generating a building facade in a 3D model according to any one of claims 1 to 4.
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